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Fittings for Steel & Copper Pipes

A copper pipe / steel pipe fitting is a fitting made of the same material as the pipe used when piping copper pipes or steel pipes. The material of copper pipe fittings used for water supply pipes and general refrigerant pipes is mainly brass, and the steel pipe fitting material suitable for transporting oil, air, gas, etc. is carbon steel. Some products are cadmium-free and lead-free hot-dip galvanized, and others are surface-treated with epoxy resin, which has excellent water and corrosion resistance. In addition to unions, sockets, and reducers that connect straight pipes, elbows that connect pipes by bending them 90 degrees, tees that branch into a T-shape, crosses that branch into four sides, etc. are available. Connections include screw-in connections and welding, as well as ring connections, abacus ball ring connections, etc. that can reduce the piping process. Note that the outer diameter of pipes and fittings is displayed in two types, millimeters and inches, and the outer diameter size may differ between JIS piping and ANSI piping.

Connection Shape

Union
Union, Inside- Outside Thread
Elbow
Tee
Cross

13 items

: 30; 45; 60

Straight Connector - High-Pressure, Bite Fitting, Male BSPT, KCT Series

Ihara Science

No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Hydraulic Bite-Type Fittings - Connectors, Threaded

MISUMI

Suitable for oil hydraulic plumbing.

Volume Discount

Spec Change

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
Tees - High-Pressure, Bite Fitting, KTA Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Hydraulic Bite-Type Fittings - Elbow, Threaded

MISUMI

Suitable for oil hydraulic plumbing.

Volume Discount

Spec Change

inCAD Components

CAD ：

2D / 3D
Days to Ship: 8 Days or more
90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KLN Series

Ihara Science

Fitting for the high-pressure piping of up to a medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary. Pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Elbow - Long, 90°, High Pressure, Bite Fitting, Male BSPT, KLL Series

Ihara Science

Fitting for high-pressure piping of up to medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Straight Connector - Adapter, Bite Fitting, Male BSPT, KHA Series

Ihara Science

[Features]
· Joint for high-pressure pipes up to medium caliber for general hydraulic applications (up to 13.7 MPa).
· Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
90° Elbows - High-Pressure, Bite Fitting, KLA Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
90° Elbows - Bite Fitting, Female BSPT, KLF Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 28 Days or more
Straight Connector - Bite Fitting, Female BSPT, KGA Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
90° Elbows - High Pressure, Bite Fitting, 30° Flare Seat, Male BSPP, KLE Series

Ihara Science

A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~). No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Straight Connector - High Pressure, Bite Fitting, 30° Flare Male Seat, Male BSPP, KUC Series

Ihara Science

Fitting for high-pressure piping of up to medium diameter of general hydraulic pressure (13.7 MPa~). Screw machining, welding, flaring, and brazing are not necessary, and pipe bending is also supported.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more
Unions - High-Pressure, Bite Fitting, KUA Series

Ihara Science

[Features]
- A fitting for high-pressure piping at up to medium diameter, working a general hydraulic pressures (13.7 MPa~).- No screw machining, welding, flaring, and brazing is necessary; pipes can also be bent.

Volume Discount

CAD ：

3D
Days to Ship: 8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	28 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more

Days to Ship:	8 Days or more


Brand
Product Series
CAD
Days to Ship
Specifications
Material
Surface Treatment
Applicable Fluid
Max. Operating Pressure
Connection Type
Connection Shape
Thread Size 1(inch)
Thread Size 1(mm)
Connection Thread Type
Types
Types of Related components
Fitting type
Applicable Pipe Type
Applicable Tube Size Type
Tube Material
Thread Nominal
Nominal A 1
Nominal 1(inch)
Applicable Pipe O.D. 1(mm)
Nominal A 2 [In case of different diameters](mm)
Thread Size 2(inch)
Thread Size 2(mm)
Nominal 2 [In the case of different diameters](inch)
Applicable Pipe O.D. 2 [In the case of different diameters](mm)
Divisions of Max. Operating Pressure(MPa)

		Spec Change		Spec Change
Brand	Ihara Science	MISUMI	Ihara Science	MISUMI	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science	Ihara Science
Product Series	Straight Connector - High-Pressure, Bite Fitting, Male BSPT, KCT Series	Hydraulic Bite-Type Fittings - Connectors, Threaded	Tees - High-Pressure, Bite Fitting, KTA Series	Hydraulic Bite-Type Fittings - Elbow, Threaded	90° Elbows - High-Pressure, Bite Fitting, Male BSPT, KLN Series	Elbow - Long, 90°, High Pressure, Bite Fitting, Male BSPT, KLL Series	Straight Connector - Adapter, Bite Fitting, Male BSPT, KHA Series	90° Elbows - High-Pressure, Bite Fitting, KLA Series	90° Elbows - Bite Fitting, Female BSPT, KLF Series	Straight Connector - Bite Fitting, Female BSPT, KGA Series	90° Elbows - High Pressure, Bite Fitting, 30° Flare Seat, Male BSPP, KLE Series	Straight Connector - High Pressure, Bite Fitting, 30° Flare Male Seat, Male BSPP, KUC Series	Unions - High-Pressure, Bite Fitting, KUA Series
CAD	3D	2D / 3D	3D	2D / 3D	3D	3D	3D	3D	3D	3D	3D	3D	3D
Days to Ship	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more	28 Days or more	8 Days or more	8 Days or more	8 Days or more	8 Days or more
Specifications		inCAD Components		inCAD Components
Material	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Surface Treatment	-	Trivalent Chromate	-	Trivalent Chromate	-	-	-	-	-	-	-	-	-
Applicable Fluid	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil	Oil
Max. Operating Pressure	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa	40 - MPa
Connection Type	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Tube Insert, Equal Diameter	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Tube Insert, Equal Diameter	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Thread Insert	Pipe to Tube Insert, Equal Diameter
Connection Shape	Union, Inside- Outside Thread	-	Tee	-	Elbow	Elbow	Union, Inside- Outside Thread	Elbow	Elbow	Union, Inside- Outside Thread	Elbow	Union, Inside- Outside Thread	Union
Thread Size 1(inch)	1/4 ～ 1/8	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 1(mm)	10 ～ 15	-	10 ～ 15	-	12 ～ 15	10 ～ 12	12	15	10	10 ～ 15	12	12	10 ～ 15
Connection Thread Type	R	R	-	R	R	R	R	-	Rc	Rc	-	-	-
Types	Fitting	-	Fitting	-	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Types of Related components	-	-	-	-	-	-	-	-	-	-	-	-	-
Fitting type	Bite type Fittings	-	Bite type Fittings	-	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings	Bite type Fittings
Applicable Pipe Type	Steel pipe (general)	-	Steel pipe (general)	-	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)	Steel pipe (general)
Applicable Tube Size Type	Steel pipe JIS size / Steel pipe metric size	-	Steel pipe metric size	-	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size	Steel pipe metric size
Tube Material	Steel	Resin	Steel	Resin	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel	Steel
Thread Nominal	1/8B(6A) / 1/4B(8A) / 3/8B(10A) / 1/2B(15A)	1/2B(15A) / 3/4B(20A)	-	1/2B(15A) / 3/4B(20A)	3/8B(10A) / 1/2B(15A)	1/4B(8A) / 3/8B(10A)	3/8B(10A)	-	1/4B(8A) / 3/8B(10A)	1/4B(8A) / 3/8B(10A)	3/8B(10A)	3/8B(10A)	-
Nominal A 1	6 ～ 8	-	-	-	-	-	-	-	-	-	-	-	-
Nominal 1(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Applicable Pipe O.D. 1(mm)	10 ～ 15	-	10 ～ 15	-	12 ～ 15	10 ～ 12	12	15	10	10 ～ 15	12	12	10 ～ 15
Nominal A 2 [In case of different diameters](mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 2(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Thread Size 2(mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Nominal 2 [In the case of different diameters](inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Applicable Pipe O.D. 2 [In the case of different diameters](mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Divisions of Max. Operating Pressure(MPa)	than 2.0Mpa	-	than 2.0Mpa	-	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa	than 2.0Mpa

Configure

Specification/Dimensions

Material
- Steel
- Brass
- Stainless Steel
Clear

Surface Treatment
- Not Provided
- Trivalent Chromate
- Zinc Plating
- Epoxy Resin
- Nickel Plating
Clear

Applicable Fluid
- Water
- Air
- Steam
- Gas
- Oil
- Powder
Clear

Metric / Inch
- metric
Clear

Max. Operating Pressure
1.0 - MPa

2.94 - MPa

3 - MPa

3.45 - MPa

3.5 - MPa

7 - MPa

7.0 - MPa

13.7 - MPa

14 - MPa

15 - MPa

20.69 - MPa

21 - MPa

28 - MPa

31 - MPa

40 - MPa

50 - MPa

125

150

1000

3900

4400

4600

4900

5300

5700

6100

6500

6600

7300

7600

7700

7800

8000

10000
Clear

Connection Type
- Pipe to Tube Insert, Equal Diameter
- Pipe to Tube Insert, Unequal Diameter
- Pipe to Thread Insert
Clear

Thread Size 1(inch)
1

1 1/2

1 1/4

1/2

1/4

1/8

2

2 1/2

2 1/4

3

3/4

3/8

4

5/8
Drawing

Clear

Thread Size 1(mm)
3

4

5

6

8

10

12

14

15

16

18

20

22

25

28

30

32

35

38

40

42

50
Drawing

Clear

Connection Thread Type
- R
- Rc
- NPT
Clear

Types
- Fitting
- Related Components
Clear

Types of Related components
- Sleeve
- Ring
- Nut
- Mounting Fitting
- Gasket seal
- Air Bleeding Valve
- Heat-Retention Material
Clear

Fitting type
- Ring Fitting
- Flare Fittings
- Sleeve-type fittings
- Bite type Fittings
- Mechanical Joint
Clear

Applicable Pipe Type
- Copper Pipe (General)
- Copper Pipe (for Refrigerant)
- Copper Pipe (Annealed Copper Pipe)
- Copper Pipe (Controlled Copper Pipe)
- Steel pipe (general)
Clear

Applicable Tube Size Type
- Copper Pipe mm size
- Copper Pipe inch size
- Copper Pipe mm-inch size
- Size for Copper Pipe Refrigerant
- Steel pipe JIS size
- Steel pipe metric size
Clear

Tube Material
- Steel
- Copper
- Stainless Steel
- PVC
- Polyethylene
- Resin
- Other Resins
Clear

Thread Nominal
- 1/8B(6A)
- 1/4B(8A)
- 3/8B(10A)
- 1/2B(15A)
- 3/4B(20A)
- 1B(25A)
- 1 1/4B(32A)
- 1 1/2B(40A)
- 2B(50A)
- 2 1/2B(65A)
- 3B(80A)
Drawing

Clear

Nominal A 1
6

8

10

13

15

20

25

30

32

40

50

65

80
Drawing

Clear

Nominal 1(inch)
1/2

1/4

1/8

3/4

3/8

5/8

7/8
Drawing

Clear

Applicable Pipe O.D. 1(mm)
3

3.18

4

5

6

6.35

8

9.52

9.53

10

10.50

12

12.70

13.80

14

15

15.14

15.88

16

17.3

18

19.05

20

21.7

22

22.22

25

27.2

28

30

32

34

35

38

40

42

42.7

48.6

50

60.5

76.30

89.10
Drawing

Clear

Nominal A 2 [In case of different diameters](mm)
6

8

10

15

20
Drawing

Clear

Thread Size 2(inch)
1

1 1/2

1 1/4

1/2

1/4

1/8

2

2 1/2

3

3/4

3/8

4
Drawing

Clear

Thread Size 2(mm)
4

6

8

10

12

15

16

18

20

22

25

28

30
Drawing

Clear

Nominal 2 [In the case of different diameters](inch)
1/2

1/4

3/8

5/8
Drawing

Clear

Applicable Pipe O.D. 2 [In the case of different diameters](mm)
4

6

6.35

8

9.52

9.53

10

10.5

12

12.70

13.80

15

15.88

16

17.30

18

20

21.7

22

25

27.2

28

30
Drawing

Clear

Divisions of Max. Operating Pressure(MPa)
- 1.0Mpa or Less
- than 2.0Mpa
Clear

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Clear

CAD

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Clear

Days to Ship

All

Same day

4 Days or Less

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14 Days or Less

15 Days or Less
Clear

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Fittings for Steel & Copper Pipes

Connection Shape

Configure

Specification/Dimensions

Material

Surface Treatment

Applicable Fluid

Metric / Inch

Max. Operating Pressure

Connection Type

Thread Size 1(inch)

Thread Size 1(mm)

Connection Thread Type

Types

Types of Related components

Fitting type

Applicable Pipe Type

Applicable Tube Size Type

Tube Material

Thread Nominal

Nominal A 1

Nominal 1(inch)

Applicable Pipe O.D. 1(mm)

Nominal A 2 [In case of different diameters](mm)

Thread Size 2(inch)

Thread Size 2(mm)

Nominal 2 [In the case of different diameters](inch)

Applicable Pipe O.D. 2 [In the case of different diameters](mm)

Divisions of Max. Operating Pressure(MPa)